AFAIK, "-J" is also a common way used by developers of the java platform for passing JVM system properties from command line tools which start JVM inside. E.g. keytool follows such approach [1].
[1] https://docs.oracle.com/javase/8/docs/technotes/tools/unix/keytool.html (section Common Options). пт, 28 дек. 2018 г. в 11:13, Alexey Kuznetsov <akuznet...@apache.org>: > > Denis, > > AFAIK, "-J" is a way to pass JVM options via ignite.(bat|sh) > For example: ignite.bat -J-DIGNITE_OVERRIDE_MCAST_GRP=228.1.2.10 -v > > On Fri, Dec 28, 2018 at 1:22 AM Denis Magda <dma...@apache.org> wrote: > > > Ilya, > > > > Why do we use -J in general? Is it used to pass a specific type of > > parameters? I know -D or - X but can't recall what -J is supposed to be > > used for. > > > > -- > > Denis > > > > -- > Alexey Kuznetsov -- Best regards, Ivan Pavlukhin
